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光催化中基于CsPbBr钙钛矿的异质结构:机理、稳定性及多功能性能

CsPbBr Perovskite-Based Heterostructures in Photocatalysis: Mechanisms, Stability, and Multifunctional Performance.

作者信息

Lv Kuanxin, Li Zhenzhen, Huang Xing, Cheng Zetong, Wang Zhongyan, Zhao Hang

机构信息

College of Metallurgy and Energy, North China University of Science and Technology, Tangshan, Hebei, 063210, China.

出版信息

Adv Sci (Weinh). 2025 Sep;12(34):e07747. doi: 10.1002/advs.202507747. Epub 2025 Jul 12.

DOI:10.1002/advs.202507747
PMID:40650696
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12442612/
Abstract

CsPbBr perovskite stands out as a promising photocatalyst due to its strong visible-light absorption and advantageous band positions, yet its practical application is constrained by rapid charge recombination and poor aqueous stability. This review systematically explores how heterostructure engineering, which encompasses Type-II, Z-scheme, and S-scheme architectures, overcomes these limitations by optimizing interfacial charge dynamics and enhancing material durability. The underlying mechanisms of band alignment, charge transfer pathways, and redox potential retention in heterostructures, alongside strategies for activity modulation and stability enhancement are analyzed. By integrating insights from structural design to functional performance, the review illuminates how CsPbBr-based heterostructures address critical challenges in photocatalysis, offering a comprehensive framework for advancing sustainable solutions in energy conversion and environmental remediation.

摘要

CsPbBr钙钛矿因其强烈的可见光吸收和有利的能带位置而成为一种有前途的光催化剂,然而其实际应用受到快速电荷复合和较差的水稳定性的限制。本综述系统地探讨了异质结构工程,包括II型、Z型和S型结构,如何通过优化界面电荷动力学和提高材料耐久性来克服这些限制。分析了异质结构中能带排列、电荷转移途径和氧化还原电位保持的潜在机制,以及活性调节和稳定性增强的策略。通过整合从结构设计到功能性能的见解,本综述阐明了基于CsPbBr的异质结构如何应对光催化中的关键挑战,为推进能源转换和环境修复的可持续解决方案提供了一个全面的框架。

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